NRRPT Radiological Protection Standards 2

Question 1

Under 10 CFR Part 20, what is the annual occupational dose limit for the lens of the eye?

Accepted Answer

15 rem (150 mSv)

Answer

5 rem (50 mSv)

Answer

50 rem (500 mSv)

Answer

1.5 rem (15 mSv)

Question 2

The ALARA principle in radiological protection stands for:

Accepted Answer

As Low As Reasonably Achievable

Answer

As Little As Radiation Allows

Answer

Acceptable Levels As Radiation Accumulates

Answer

Authorized Limits And Radiation Amounts

Question 3

According to ICRP recommendations, what tissue weighting factor (wT) is assigned to the gonads?

Accepted Answer

0.12

Answer

0.05

Answer

0.08

Answer

0.20

Question 4

Which NRC regulation establishes radiation protection programs for nuclear power plants?

Accepted Answer

10 CFR Part 20

Answer

10 CFR Part 19

Answer

10 CFR Part 50

Answer

10 CFR Part 71

Question 5

The concept of 'committed effective dose equivalent' (CEDE) accounts for radiation dose from:

Accepted Answer

Internal radionuclide intake integrated over 50 years

Answer

External gamma exposure only

Answer

Neutron activation products

Answer

Skin contamination within 24 hours

Question 6

Under DOE Order 458.1, the public dose limit for DOE operations is:

Accepted Answer

100 mrem/year

Answer

25 mrem/year

Answer

500 mrem/year

Answer

1000 mrem/year

Question 7

Which of the following best describes the 'stochastic' effects of radiation?

Accepted Answer

Effects whose probability increases with dose but severity does not depend on dose

Answer

Effects with a threshold dose below which they do not occur

Answer

Immediate effects occurring within hours of high-dose exposure

Answer

Effects that only occur from neutron radiation